Export av_probe_input_format2.

Originally committed as revision 23002 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavformat/avformat.h

@@ -22,7 +22,7 @@
 #define AVFORMAT_AVFORMAT_H
 
 #define LIBAVFORMAT_VERSION_MAJOR 52
-#define LIBAVFORMAT_VERSION_MINOR 61
+#define LIBAVFORMAT_VERSION_MINOR 62
 #define LIBAVFORMAT_VERSION_MICRO  0
 
 #define LIBAVFORMAT_VERSION_INT AV_VERSION_INT(LIBAVFORMAT_VERSION_MAJOR, \
@@ -887,6 +887,18 @@ AVInputFormat *av_find_input_format(const char *short_name);
  */
 AVInputFormat *av_probe_input_format(AVProbeData *pd, int is_opened);
 
+/**
+ * Guesses the file format.
+ *
+ * @param is_opened Whether the file is already opened; determines whether
+ *                  demuxers with or without AVFMT_NOFILE are probed.
+ * @param score_max minimum score required to accept a detection, set to actual
+ *                  detection score afterwards.
+ *                  If the score is < AVPROBE_SCORE_MAX / 4 it is recommended
+ *                  to retry with a larger probe buffer.
+ */
+AVInputFormat *av_probe_input_format2(AVProbeData *pd, int is_opened, int *score_max);
+
 /**
  * Allocates all the structures needed to read an input stream.
  *        This does not open the needed codecs for decoding the stream[s].

libavformat/utils.c

@@ -310,7 +310,7 @@ int av_filename_number_test(const char *filename)
     return filename && (av_get_frame_filename(buf, sizeof(buf), filename, 1)>=0);
 }
 
-static AVInputFormat *av_probe_input_format2(AVProbeData *pd, int is_opened, int *score_max)
+AVInputFormat *av_probe_input_format2(AVProbeData *pd, int is_opened, int *score_max)
 {
     AVInputFormat *fmt1, *fmt;
     int score;